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30-07-2015 дата публикации

POLYSTYRENE CLARIFIED BLEND AND METHOD FOR MAKING SAME

Номер: US20150210049A1
Принадлежит:

A polystyrene copolymer blend product that that achieve an optimal combination of haze/clarity, strength, toughness/snap, and organoleptic properties. The polystyrene copolymer blend product includes a first layer including about 2 weight percent to about 6 weight percent of a total weight percent of the product, wherein the first layer further includes about 95 weight percent to about 100 weight percent of GPPS or HIPS, and a second layer including about 98 weight percent to about 94 weight percent of the total weight percent of the product, wherein the second layer further includes about 23 weight percent to about 40 weight percent of GPPS, from about 55 weight percent to about 70 weight percent of SBC, and from about 0 weight percent to about 15 weight percent of HIPS. 1. A polystyrene copolymer blend product , comprising:a first layer comprising about 2 weight percent to about 6 weight percent of a total weight of the product; anda second layer comprising about 98 weight percent to about 94 weight percent of the total weight of the product,wherein the first layer further comprises about 95 weight percent to about 100 weight percent of GPPS or HIPS, andwherein the second layer further comprises about 23 weight percent to about 40 weight percent of GPPS, from about 55 weight percent to about 70 weight percent percent of SBC, and from about 0 to about 15 weight percent of HIPS.2. The product of claim 1 , wherein the GPPS comprises standard grades of GPPS.3. The product of claim 1 , wherein the product comprises a thickness between about 0.040 inches and about 0.0512 inches.4. The product of claim 1 , wherein the product comprises a thickness of less than about 0.040 inches.5. The product of claim 1 , wherein the product comprises a thickness of greater than about 0.0512 inches.6. The product of claim 1 , wherein a haze/clarity property of the product having 0.040 inches of thickness comprises around 0 to 70 in sheet haze.7. The product of claim 12 , wherein a haze/ ...

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